<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->

      <!-- 验证表单的必填项
      :model="formData" 表单收集数据的对象
      :rules="formRules" 验证规则对象
      ref="formRef"  兜底校验-->
      <el-form
        :model="formData"
        :rules="formRules"
        ref="formRef"
        style="padding: 0 25px"
      >
        <!--el- form-item:  prop指向具体的验证规则项 -->
        <el-form-item prop="username">
          <el-input
            v-model="formData.username"
            prefix-icon="el-icon-user"
            placeholder="请输入用户名"
          ></el-input>
        </el-form-item>

        <el-form-item prop="password">
          <el-input
            v-model="formData.password"
            prefix-icon="el-icon-lock"
            placeholder="请输入密码"
          ></el-input>
        </el-form-item>

        <el-form-item prop="repassword">
          <el-input
            v-model="formData.repassword"
            prefix-icon="el-icon-lock"
            placeholder="请确认密码"

          ></el-input>
        </el-form-item>

        <el-form-item>
          <el-button style="width: 100%" type="primary" @click="regNewUser" 
            >注册</el-button
          >
          <el-link type="info">登录</el-link>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: "Reg",
  data() {
    // 自定义校验规则函数
    const repass = (rule, value, callback) => {
      // value  当前表单项的值
      // callback  回调函数

      if (value === "") {
        callback(new Error("请再次输入密码"));
      } else if (value !== this.formData.password) {
        callback(new Error("两次输入密码不一致!"));
      } else {
        callback();
      }
    };
    return {
      // 收集表单数据对象
      formData: {
        username: "",
        password: "",
        repassword: "",
      },
      formRules: {
        username: [
          { required: true, message: "请输入用户名", trigger: "blur" },
          {
            pattern: /^[0-9a-zA-Z]{1,10}$/,
            message: "请输入1~10的字母和数字",
            trigger: "blur",
          },
        ],
        password: [
          { required: true, message: "请输入密码", trigger: "blur" },
          {
            pattern: /^\S{6,15}$/,
            message: "请输入6~15位密码",
            trigger: "blur",
          },
        ],
        repassword: [
          {
            pattern: /^\S{6,15}$/,
            message: "请再次输入6~15位密码",
            trigger: "blur",
          },
          { validator: repass, trigger: "blur" },
        ],
      },
    };
  },
  methods: {
        regNewUser() {
        //1  绑定函数
        //2  兜底校验
      this.$refs.formRef.validate(async (valid) => {
        console.log(valid); //返回的是布尔值   true 和false
        if (!valid) return console.log("校验失败");
        //3  发送请求,实现注册
        // axios返回的是一个promise实例对象 一般用 .then   高级用法  async await
        const {data:res} = await this.$http.post("/api/reg", this.formData);  // const {data:res}   解构res.data  简单化  原理(res.data =res)
        console.log(res);
        //3.1  如果注册失败提示用户
        if (res.code !== 0) return      this.$message.error(res.message);
        //3.2  注册成功提示用过
            this.$message.success(res.message);
        //4   跳转到登录页面
        this.$router.push("/login");
      });
    },
  },
};
</script>

<style lang="less" scoped>
.reg-container {
  background: url("../../assets/images/login_bg.jpg") center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url("../../assets/images/login_title.png") center no-repeat;
    }
  }
}
</style>

